Element ‘X’ having atomic mass equal to 109.75 g crystallises in face centred cubic (fcc) structure. If the density of crystal is 9.0 g/cm3 then the edge length of the unit is (A) 450 pm (B) 750 pm (C

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Question

Element ‘X’ having atomic mass equal to 109.75 g crystallises in face centred cubic (fcc) structure. If the density of crystal is 9.0 g/cm3 then the edge length of the unit is

(A) 450 pm
(B) 750 pm
(C) 900 pm
(D) 600 pm

Prashant Kotian · Accepted Answer

Correct answer: D) 600 PM

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